<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>003-像素测试2.html</title>
	<style>
		*{
			margin: 0;
			padding: 0;
		}
		body{
			width: 1400px;
			height: 900px;
			box-sizing: border-box;
			border: 10px solid #000;
		}
	</style>
</head>
<body>
	
</body>
</html>